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Figure 5 | Frontiers in Zoology

Figure 5

From: Looking like Limulus? – Retinula axons and visual neuropils of the median and lateral eyes of scorpions

Figure 5

General anatomy of visual neuropils and protocerebrum (Wigglesworth stains). Note dark stain of sensory neuropils after application of Wigglesworth’s technique. Bars 100 μm. A, first visual neuropils of median and lateral eyes, sagittal section. B, C, first and second visual neuropils of lateral eyes. Encircled: region where also R-cell axons of median eyes terminate, sagittal sections. D, E, mushroom bodies located parallel to midline of protocerebrum, frontal section. F, arcuate body in dorso-posterior position, frontal section. AB, arcuate body; L1, first lateral eye visual neuropil; L2, second lateral eye visual neuropil; M1, first median eye visual neuropil; M2, second median eye visual neuropil; M/L2, region of L2 or M2 with Cobalt-filled R-cell axons of both median and lateral eyes; MB, mushroom bodies.

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